21988828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4051}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 40844160

約数和(自身を除く): 18855332

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 4051, 5428, 8102, 16204, 93173, 186346, 239009, 372692, 478018, 956036, 5497207, 10994414, 21988828]

約数ペア:

[(1, 21988828), (2, 10994414), (4, 5497207), (23, 956036), (46, 478018), (59, 372692), (92, 239009), (118, 186346), (236, 93173), (1357, 16204), (2714, 8102), (4051, 5428)]